Home / 10,335.80-14,263.40-5,620.08

Finding the Fourth Proportional to 10,335.80, 14,263.40 and 5,620.08

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Solution

The fourth proportional to 10,335.80, 14,263.40 and 5,620.08 is: 7,755.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,335.80 : 14,263.40 = 5,620.08 : x
  2. Step 2: Convert to fraction form
    10,335.80/14,263.40 = 5,620.08/x
  3. Step 3: Cross multiply
    10,335.80x = 14,263.40 × 5,620.08
  4. Step 4: Simplify right side
    10,335.80x = 80,161,449.07
  5. Step 5: Solve for x
    x = 80,161,449.07/10,335.80
  6. Step 6: Final answer
    x = 7,755.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.